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Fig. 1.


Comparison of computed energy levels in present work and other theoretical results with data from NIST database. The dashed and solid lines indicate the 0.2% and 0.5% deviations, respectively. (1) Hibbert (1988); (2) Tayal (2003); (3) Fischer et al. (2006); (4) El-Maaref et al. (2012).

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